Home / 649,639.67-974,627.64-200,350.62

Finding the Fourth Proportional to 649,639.67, 974,627.64 and 200,350.62

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Solution

The fourth proportional to 649,639.67, 974,627.64 and 200,350.62 is: 300,577.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,639.67 : 974,627.64 = 200,350.62 : x
  2. Step 2: Convert to fraction form
    649,639.67/974,627.64 = 200,350.62/x
  3. Step 3: Cross multiply
    649,639.67x = 974,627.64 × 200,350.62
  4. Step 4: Simplify right side
    649,639.67x = 195,267,251,943.14
  5. Step 5: Solve for x
    x = 195,267,251,943.14/649,639.67
  6. Step 6: Final answer
    x = 300,577.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.